Add proxy_config component

components/proxy_config.gypi

Index: components/proxy_config.gypi
diff --git a/components/onc.gypi b/components/proxy_config.gypi
similarity index 53%
copy from components/onc.gypi
copy to components/proxy_config.gypi
index 5d1a5a0e93cd55817572b5a5f68d77a235944930..39333aef6c6f2e1b5b789d509b85e6f830c905e3 100644
--- a/components/onc.gypi
+++ b/components/proxy_config.gypi
@@ -5,8 +5,8 @@
 {
   'targets': [
     {
-      # GN version: //components/onc
-      'target_name': 'onc_component',
+      # GN version: //components/proxy_config
+      'target_name': 'proxy_config',
       'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
@@ -15,12 +15,14 @@
         '..',
       ],
       'defines': [
-        'ONC_IMPLEMENTATION',
+        'PROXY_CONFIG_IMPLEMENTATION',
       ],
       'sources': [
-        'onc/onc_constants.cc',
-        'onc/onc_constants.h',
-        'onc/onc_export.h',
+        'proxy_config/proxy_config_dictionary.cc',
+        'proxy_config/proxy_config_dictionary.h',
+        'proxy_config/proxy_config_export.h',
+        'proxy_config/proxy_prefs.cc',
+        'proxy_config/proxy_prefs.h',
       ],
     },
   ],